Return air bulkhead



FIG. 1 is a front perspective view of a return air bulkhead of the present invention.

FIG. 2 is a rear perspective view of the return air bulkhead of FIG. 1

FIG. 3 is a front view of the return air bulkhead of FIG. 1.

FIG. 4 is a rear view of the return air bulkhead of FIG. 1.

FIG. 5 is a left-side view of the return air bulkhead of FIG. 1.

FIG. 6 is a right-side view of the return air bulkhead of FIG. 1.

FIG. 7 is a top view of the return air bulkhead of FIG. 1; and,

FIG. 8 is a bottom view of the return air bulkhead of FIG. 1.

The portions of the return air bulkhead shown in broken lines are included for the purpose of illustrating environment and form no part of the claimed design. The portions of the return air bulkhead shown in broken lines having unequal length segments illustrate the boundary of the claimed design and form no part of the claimed design. 

I claim the ornamental design for a return air bulkhead, as shown and described. 